Hi @ArtiSta,
seems that this was caused by last windows update. They changed the .NetFramework which now restricts the data types in data tables. This thread tackles the same issue: Build Data Table Error (DataTable could not be read)
schwarzp
(Patrick Schwarz)
2
Related topics
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| Build data table excepction | 5 | 1645 | August 13, 2020 | |
| Latest Microsoft security patch for Windows Server causing issues in Build DataTable DataType | 8 | 2502 | August 8, 2020 | |
| Having trouble with adding data rows | 1 | 713 | November 22, 2020 | |
| Has anyone try storing system.net.mail.mailmessage objects to datatable? and then send replies by looping from the datatable? | 9 | 3226 | January 20, 2020 | |
| Datatable - Value of type 'System.Collections.Generic.List(Of System.Net.Mail.MailMessage)' cannot be converted to 'System.Data.DataTable' | 3 | 1813 | July 13, 2021 |